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Design and Analysis of Energy Absorbent Bioinspired Lattice Structures

Journal of Bionic Engineering 2023年第4期20卷 1670-1686页

作者： lucrezia greco Federica Buccino Zhuo Xu Laura Vergani Filippo Berto Mario Guagliano Seyyed Moahmmad Javad Razavi Sara Bagherifard Department of Mechanical Engineering Politecnico di MilanoMilanItaly Department of Mechanical and Industrial Engineering Norwegian University of Science and TechnologyTrondheimNorway Chemical Engineering and Materials Environment Department Sapienza University of RomeRomeItaly

The increasing demand for energy absorbent structures,paired with the need for more efficient use of materials in a wide range of engineering fields,has led to an extensive range of designs in the porous forms of sandwiches,honeycomb,and *** achieve an even better performance,an ingenious solution is to learn how biological structures adjust their configurations to absorb energy without catastrophic *** this study,we have attempted to blend the shape freedom,offered by additive manufacturing techniques,with the biomimetic approach,to propose new lattice structures for energy absorbent *** this aim we have combined multiple bio-inspirational sources for the design of optimized configurations under compressive *** lattice structures are fabricated based on the designed unit cell geometries and studied using experimental and computational *** individual effect of each bio-inspired feature has been evaluated on the energy absorbance performance of the designed *** on the design parameters of the lattices,a tuning between the strength and energy absorption could be obtained,paving the way for transition within a wide range of real-life applicative scenarios.

关键词： Energy absorbance Lattice structures Bio-inspiration Fused deposition modeling Lightweight design

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